Electronic cigarette case



FIG. 1 is a front elevation view of an electronic cigarette case showing my new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a bottom front perspective view thereof; and,

FIG. 6 is a top rear perspective view thereof.

The broken lines depict portions of the article and form no part of the claimed design. 

CLAIM The ornamental design for an electronic cigarette case, as shown and described. 